package main

import "fmt"

func main(){
	const limit = 512
	const x,y int = 1,3
	fmt.Println(limit,x,y)
	const (
		a = iota
		b = iota
		c = iota
	)
	fmt.Println(a,b,c)
	const d = iota
	fmt.Println(d)
}